Bolt (voice of Travolta) is a celebrity dog and the star of a hit TV show where his amazing feats and powers draw big ratings. But when a mail-room mix-up finds him roaming free on the streets of New York City, the wonder dog will have to learn to rely on his actual strengths -- as well as his new friends, an abandoned housecat and a starry-eyed hamster -- in order to find his way back home.